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The Ptolemy world map is a map of the world known to Greco-Roman societies in the 2nd century. It is based on the description contained in Ptolemy 's book Geography , written c. 150 . Based on an inscription in several of the earliest surviving manuscripts, it is traditionally credited to Agathodaemon of Alexandria .
A world map based on Ptolemy was displayed in Augustodunum (Autun, France) in late Roman times. [29] Pappus, writing at Alexandria in the 4th century, produced a commentary on Ptolemy's Geography and used it as the basis of his (now lost) Chorography of the Ecumene. [30]
World maps assuming a spherical Earth first appear in the Hellenistic period. The developments of Greek geography during this time, notably by Eratosthenes and Posidonius culminated in the Roman era, with Ptolemy's world map (2nd century CE), which would remain authoritative throughout the Middle Ages.
In the upper-mid part of the main map there is inset another, miniature world map representing to some extent an alternative view of the world. Longitudes , which were difficult to determine at the time, are given in terms of degrees east from the Fortunate Islands (considered by Claudius Ptolemy as the westernmost known land) which ...
The world map in this recension was drawn using the homeotheric projection which Ptolemy called superior but more difficult to construct. [4] This recension was the basis for the Ulm edition printed in 1482 and 1486 in Ulm.
World Map by Juan de la Cosa (1500), the first map showing the Americas. In 1492, ... He added the first new maps to Ptolemy's Geographica. [6]
This codex improves on Ptolemy's equi-rectangular and orthographic projections but was written before the publication of the new Mercator projection; re-creating and improving Ptolemy's regional maps without attempting to create a world map. [2]
A mid-15th century Florentine world map based on the 1st (modified conic) projection in Jacobus Angelus's 1406 Latin translation of Maximus Planudes's late-13th century rediscovered Greek manuscripts of Ptolemy's 2nd-century Geography. Serica is shown in the far northeast of the world.